
Sentury
Tire brand
Last updated November 4, 2026
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Overview
Sentury Tire, formerly known as the Sentaida Group, is a Chinese tire manufacturer headquartered in Qingdao, Shandong. Its business centers primarily on passenger-car tires, supplemented by a specialized aviation-tire operation. The company sells products under the Landsail and Delinte brands and has developed manufacturing capacity in China and Thailand, while also pursuing a major expansion project in the United States. The company’s original principal manufacturing site is in Qingdao, its home city, near Qingdao Liuting International Airport. Sentury has described that facility as having opened in 2009 and as being among the world’s highly automated tire factories. The Qingdao plant provided the company with a domestic production base and supported its development as an export-oriented tire producer. In 2015, the company opened an additional manufacturing facility in Thailand. That plant was reported as having annual capacity of approximately 12 million tires, strengthening Sentury’s access to international markets and providing production outside mainland China. Sentury’s principal commercial focus is the passenger-car tire segment. Its brands serve replacement-tire markets, although the available reference material does not establish a complete model-by-model product catalog, detailed pricing architecture, or a definitive geographic breakdown of sales. The company also entered the aviation-tire sector in 2013. Aviation tires are a technically demanding category historically concentrated among a relatively small number of established manufacturers. Sentury’s aviation range includes a main landing-gear tire for Boeing 737-700, 737-800, and 737-900 aircraft certified under the Federal Aviation Administration’s TSO-C62e-2006 technical standard. The company’s international expansion strategy included an ambitious plan announced in 2016 for a United States complex in LaGrange, Georgia. The proposed site was intended to combine an American headquarters, research and development operations, distribution functions, and tire manufacturing. Sentury initially projected the creation of 1,000 jobs and eventual production capacity of 10 million tires per year. In September 2016, the company identified a location for the facility and appointed Rami Helminen, formerly an executive at Nokian Tyres, to oversee the project. The Georgia project did not proceed as originally planned. In July 2019, Sentury said that the project was on indefinite hold, citing uncertainty in trade relations between the United States and China and resulting difficulties with its intended initial public offering. The company closed its LaGrange offices, and Helminen departed. This decision marked a significant change in Sentury’s North American expansion plans, although it does not by itself establish that the company withdrew from the United States market altogether. In 2015, Tire Business ranked Sentury as the world’s 50th-largest tire maker by sales. The company is listed on the Shenzhen Stock Exchange, but the available material does not provide a ticker symbol, financial figures, or current operating data. Sentury’s current public profile is therefore best understood as that of an internationally oriented Chinese tire producer with a large passenger-tire business, a smaller aviation-tire line, production in China and Thailand, and a history of seeking additional manufacturing and distribution capacity in North America.
History
Sentury Tire developed from the Chinese Sentaida Group into an internationally oriented tire manufacturer headquartered in Qingdao, Shandong. Qingdao is also the location of the company’s original principal manufacturing site, positioned near Qingdao Liuting International Airport. Sentury states that the factory began operating in 2009 and characterizes it as a highly automated production facility. The plant formed the company’s initial manufacturing base and supported its expansion in passenger-car tires. The company’s core activity has been the production of tires for passenger vehicles. It markets these products under the Landsail and Delinte names. The available reference material does not provide a full chronology for the creation of those brands or a complete catalog of their individual tire models, but the brands represent Sentury’s principal consumer-facing tire business. The company’s international orientation is reflected in its overseas manufacturing and export strategy. In 2013, Sentury entered the aviation-tire industry. This was a technically specialized move because aircraft tires operate under stringent certification and performance requirements, and the segment has historically been dominated by a limited number of major producers. Sentury’s aviation offering includes a main landing-gear tire certified for Boeing 737-700, 737-800, and 737-900 aircraft under the Federal Aviation Administration’s TSO-C62e-2006 standard. Sentury expanded its manufacturing network in 2015 by opening a factory in Thailand. The plant was reported to have capacity for 12 million tires per year. Thai production gave the company a second major manufacturing base and reduced its reliance on a single-country production footprint. In the same year, Tire Business ranked Sentury as the 50th-largest tire maker worldwide by sales, indicating that the company had attained a meaningful position in the global tire industry. The next major stage was an attempted expansion into the United States. In 2016, Sentury announced plans for a large facility in LaGrange, Georgia. The proposed operation was designed to include an American headquarters, research and development, distribution, and manufacturing. Initial plans called for about 1,000 jobs and capacity of 10 million tires annually. The project was presented as a substantial commitment to North American production and infrastructure rather than merely a sales office. In September 2016, after a location had been found, Sentury hired Rami Helminen, previously an executive with Nokian Tyres, to manage the Georgia project. The plan later encountered financing and geopolitical obstacles. In July 2019, Sentury announced that the project was on indefinite hold, attributing the delay to uncertainty in trade relations between the United States and China and the resulting complications for its proposed initial public offering. The company subsequently closed its LaGrange offices, and Helminen left. The Georgia decision was a major reversal of Sentury’s publicly announced North American manufacturing strategy. It illustrates the importance of trade policy and capital-market conditions to tire manufacturers seeking to localize production. The available material does not establish a later restart of the project or provide current details about Sentury’s North American facilities. Sentury remains associated with passenger-car tires as its main business, while its aviation products provide a specialized extension into aircraft components. Its known manufacturing footprint includes Qingdao and Thailand, and the company is listed on the Shenzhen Stock Exchange. Detailed current financial results, ownership information, ticker data, executive leadership, and a corporate website are not identified in the supplied reference material.
- 2019
Georgia project placed on indefinite hold
[1]The company suspended the planned Georgia project amid trade uncertainty between the United States and China and difficulties related to its intended initial public offering.
- 2016
United States expansion announced
[1]Sentury announced a planned LaGrange, Georgia complex covering headquarters, research and development, distribution, and manufacturing.
- 2015
Thailand factory opens
[1]The company opened a Thai manufacturing facility with reported capacity of 12 million tires per year.
- 2015
Ranks among the world’s largest tire makers
[1]Tire Business ranked Sentury as the 50th-largest tire manufacturer worldwide by sales.
- 2013
Entry into aviation tires
[1]Sentury entered the aviation-tire sector, adding a specialized business alongside its passenger-car tire operations.
- 2009
Qingdao manufacturing site begins operations
[1]Sentury identifies 2009 as the opening year of its original main manufacturing facility in Qingdao.
Products and positioning
value
Passenger-car tires
Landsail
Landsail is one of Sentury Tire’s principal tire brands. It is associated with the company’s passenger-car tire business and serves consumer replacement-tire markets. The supplied reference material does not identify a definitive model range, launch chronology, pricing structure, or market-by-market positioning for the brand.
Passenger-car tires
Delinte
Delinte is a passenger-car tire brand marketed by Sentury Tire. It forms part of the company’s consumer-facing portfolio alongside Landsail. Specific product families, technical specifications, and current geographic availability are not established by the supplied reference material.
Aviation tires · 2013
Boeing 737 main landing-gear aviation tire
Sentury’s aviation portfolio includes a main landing-gear tire for Boeing 737-700, 737-800, and 737-900 aircraft. The product is identified as certified under Federal Aviation Administration technical standard TSO-C62e-2006, placing it within the company’s specialized aircraft-tire business.
Controversies
2023
Thailand plant recalls 9,000 tires over improper vulcanization; chairman fined for short-swing trading
Sentury's Thailand company recalled about 9,000 tires produced in April 2023 because the tread base compound lacked chemicals during mixing and vulcanization was improper; Chairman Qin Long was warned and fined RMB 120,000 by the Qingdao Securities Regulatory Bureau for short-swing trading of "Qilin Convertible Bonds." Recall, administrative penalty.
Brand decisions
2019
Georgia expansion placed on indefinite holdStrategyBackground
Uncertainty in United States–China trade relations created difficulties for Sentury’s planned initial public offering and affected the proposed Georgia investment.
Action taken
Sentury indefinitely suspended the Georgia project, closed its local offices, and subsequently lost project executive Rami Helminen.
Aftermath
The supplied material does not document a later restart of the project or a replacement United States manufacturing site.
2016
Plan to establish a United States manufacturing complexStrategyBackground
Sentury sought to expand its international production and establish a stronger North American operating presence.
Action taken
The company announced a LaGrange, Georgia project combining an American headquarters, research and development, distribution, and manufacturing, with an initial employment target of 1,000 jobs and planned capacity of 10 million tires annually.
Aftermath
The project was later placed on indefinite hold, and the company closed its LaGrange offices.
Sources3 sources
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